18201216

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 128

約数和(自身を含む): 54835200

約数和(自身を除く): 36633984

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 64, 66, 88, 93, 96, 124, 128, 132, 139, 176, 186, 192, 248, 264, 278, 341, 352, 372, 384, 417, 496, 528, 556, 682, 704, 744, 834, 992, 1023, 1056, 1112, 1364, 1408, 1488, 1529, 1668, 1984, 2046, 2112, 2224, 2728, 2976, 3058, 3336, 3968, 4092, 4224, 4309, 4448, 4587, 5456, 5952, 6116, 6672, 8184, 8618, 8896, 9174, 10912, 11904, 12232, 12927, 13344, 16368, 17236, 17792, 18348, 21824, 24464, 25854, 26688, 32736, 34472, 36696, 43648, 47399, 48928, 51708, 53376, 65472, 68944, 73392, 94798, 97856, 103416, 130944, 137888, 142197, 146784, 189596, 195712, 206832, 275776, 284394, 293568, 379192, 413664, 551552, 568788, 587136, 758384, 827328, 1137576, 1516768, 1654656, 2275152, 3033536, 4550304, 6067072, 9100608, 18201216]

約数ペア:

[(1, 18201216), (2, 9100608), (3, 6067072), (4, 4550304), (6, 3033536), (8, 2275152), (11, 1654656), (12, 1516768), (16, 1137576), (22, 827328), (24, 758384), (31, 587136), (32, 568788), (33, 551552), (44, 413664), (48, 379192), (62, 293568), (64, 284394), (66, 275776), (88, 206832), (93, 195712), (96, 189596), (124, 146784), (128, 142197), (132, 137888), (139, 130944), (176, 103416), (186, 97856), (192, 94798), (248, 73392), (264, 68944), (278, 65472), (341, 53376), (352, 51708), (372, 48928), (384, 47399), (417, 43648), (496, 36696), (528, 34472), (556, 32736), (682, 26688), (704, 25854), (744, 24464), (834, 21824), (992, 18348), (1023, 17792), (1056, 17236), (1112, 16368), (1364, 13344), (1408, 12927), (1488, 12232), (1529, 11904), (1668, 10912), (1984, 9174), (2046, 8896), (2112, 8618), (2224, 8184), (2728, 6672), (2976, 6116), (3058, 5952), (3336, 5456), (3968, 4587), (4092, 4448), (4224, 4309)]